Home / 285,168.33-393,505.38-170,424.15

Finding the Fourth Proportional to 285,168.33, 393,505.38 and 170,424.15

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Solution

The fourth proportional to 285,168.33, 393,505.38 and 170,424.15 is: 235,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,168.33 : 393,505.38 = 170,424.15 : x
  2. Step 2: Convert to fraction form
    285,168.33/393,505.38 = 170,424.15/x
  3. Step 3: Cross multiply
    285,168.33x = 393,505.38 × 170,424.15
  4. Step 4: Simplify right side
    285,168.33x = 67,062,819,906.93
  5. Step 5: Solve for x
    x = 67,062,819,906.93/285,168.33
  6. Step 6: Final answer
    x = 235,169.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.